Which factor that affects demand is illustrated in the graph for demand curves?

Which best explains why the free-market system follows a circular-flow model? How might a decision to let the yuan float freely affect future foreign direct investment flows into China? Effect of financial crisis to the Philippines? When government increases its purchase of goods it is using which power? What kind of stock market analysis focuses on company's traits such as revenues and earning per share? What factors contribute to achieving a sustainable and natural level of output in a production process? Is traditional economic activities are called early economic activities? How is the economy of geda? Why price control system cannot be use as a measure to check inflation in Nigeria? What is the best economic system for consumers? What Factors influence the location of an industry? Who experiences globalisation? How would you justify the use of either a revenue or protective tariff in todays global market? What is the effectiveness of the tit-for-tat strategy in promoting cooperation among individuals or groups? Was Karl Marx for the Ruling Class? What are the characteristics of indifference curve? What is the average cost of a poster? What is the per capita income in more developed countries? If two goods are complements? Is Walmart a profit or non profit company?